[INFO] fetching crate test-ignore-if 0.1.0...
[INFO] checking test-ignore-if-0.1.0 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate test-ignore-if 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate test-ignore-if 0.1.0 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate test-ignore-if 0.1.0
[INFO] finished tweaking crates.io crate test-ignore-if 0.1.0
[INFO] tweaked toml for crates.io crate test-ignore-if 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc6c0d4f32ee5ff119ff861f481d3d65d739256b64922a488dfa45520f3fb75f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dc6c0d4f32ee5ff119ff861f481d3d65d739256b64922a488dfa45520f3fb75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc6c0d4f32ee5ff119ff861f481d3d65d739256b64922a488dfa45520f3fb75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6c0d4f32ee5ff119ff861f481d3d65d739256b64922a488dfa45520f3fb75f", kill_on_drop: false }`
[INFO] [stdout] dc6c0d4f32ee5ff119ff861f481d3d65d739256b64922a488dfa45520f3fb75f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fc7a21a67c3755b0247076c1906619aa4bf7cb31b12b885c0ec30be52547e30
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5fc7a21a67c3755b0247076c1906619aa4bf7cb31b12b885c0ec30be52547e30", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking darling_core v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]     Checking darling v0.9.0
[INFO] [stderr]     Checking test-ignore-if v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:33:16
[INFO] [stdout]    |
[INFO] [stdout] 33 |           panic!(format!(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 34 | |             "trying to use ignore_if_env_set for env var \"{}\" that is not enabled, you \
[INFO] [stdout] 35 | |              need to add test_ignore_if_utils::enable_ignore_if_env_set_for(\"{}\") in your \
[INFO] [stdout] 36 | |              build.rs",
[INFO] [stdout] 37 | |             attr.env_set, attr.env_set
[INFO] [stdout] 38 | |         ))
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 33 |         panic!(
[INFO] [stdout] 34 |             "trying to use ignore_if_env_set for env var \"{}\" that is not enabled, you \
[INFO] [stdout] 35 |              need to add test_ignore_if_utils::enable_ignore_if_env_set_for(\"{}\") in your \
[INFO] [stdout] 36 |              build.rs",
[INFO] [stdout] 37 |             attr.env_set, attr.env_set
[INFO] [stdout] 38 |         )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:33:16
[INFO] [stdout]    |
[INFO] [stdout] 33 |           panic!(format!(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 34 | |             "trying to use ignore_if_env_set for env var \"{}\" that is not enabled, you \
[INFO] [stdout] 35 | |              need to add test_ignore_if_utils::enable_ignore_if_env_set_for(\"{}\") in your \
[INFO] [stdout] 36 | |              build.rs",
[INFO] [stdout] 37 | |             attr.env_set, attr.env_set
[INFO] [stdout] 38 | |         ))
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 33 |         panic!(
[INFO] [stdout] 34 |             "trying to use ignore_if_env_set for env var \"{}\" that is not enabled, you \
[INFO] [stdout] 35 |              need to add test_ignore_if_utils::enable_ignore_if_env_set_for(\"{}\") in your \
[INFO] [stdout] 36 |              build.rs",
[INFO] [stdout] 37 |             attr.env_set, attr.env_set
[INFO] [stdout] 38 |         )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.42s
[INFO] running `Command { std: "docker" "inspect" "5fc7a21a67c3755b0247076c1906619aa4bf7cb31b12b885c0ec30be52547e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc7a21a67c3755b0247076c1906619aa4bf7cb31b12b885c0ec30be52547e30", kill_on_drop: false }`
[INFO] [stdout] 5fc7a21a67c3755b0247076c1906619aa4bf7cb31b12b885c0ec30be52547e30